MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

MACK was delisted on the 17th of May, 2024.

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70 hedge funds and large institutions have $137M invested in Merrimack Pharmaceuticals, Inc. in 2024 Q1 according to their latest regulatory filings, with 12 funds opening new positions, 15 increasing their positions, 21 reducing their positions, and 9 closing their positions.

Holders
70
Holders Change
+3
Holders Change %
+4.48%
% of All Funds
1.01%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.04%
New
12
Increased
15
Reduced
21
Closed
9
Calls
$1.87M
Puts
$47K
Net Calls
+$1.82M
Net Calls Change
+$218K

Top Buyers

1
ACM
1
ADAR1 Capital Management
Texas
$13.3M
2
Invesco
2
Invesco
Georgia
$4.09M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$2.4M
4
YCM
4
Yakira Capital Management
Connecticut
$1.78M
5
State Street
5
State Street
Massachusetts
$3.65M

Top Sellers

1
SCM
1
Sio Capital Management
New York
$0
2
ICM
2
Indaba Capital Management
California
$0
3
Morgan Stanley
3
Morgan Stanley
New York
$583K
4
MAP
4
Madison Avenue Partners
New York
$5.72M
5
RA
5
Rosalind Advisors
Ontario, Canada
$0
Name Market Value Shares Shares
Change 		Shares
Change %
WSL
1
Western Standard LLC
California
$32.1M 2,172,513 – –
NM
2
Newtyn Management
New York
$27.7M 1,873,694 – –
ACM
3
ADAR1 Capital Management
Texas
$13.3M 902,350 +352,932 +64%
BlackRock
4
BlackRock
New York
$10.7M 723,294 -20,329 -3%
Vanguard Group
5
Vanguard Group
Pennsylvania
$9.17M 620,847 +11,893 +2%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$5.88M 398,001 -37,644 -9%
MAP
7
Madison Avenue Partners
New York
$5.72M 387,221 -165,864 -30%
SC
8
Sepio Capital
Utah
$4.41M 298,545 -8,135 -3%
Invesco
9
Invesco
Georgia
$4.09M 277,124 +265,058 +2,197%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$4.02M 272,015 +12,069 +5%
State Street
11
State Street
Massachusetts
$3.65M 246,853 +50,148 +25%
WIM
12
Wittenberg Investment Management
Massachusetts
$3.11M 210,239 – –
Renaissance Technologies
13
Renaissance Technologies
New York
$2.4M 162,184 +113,284 +232%
YCM
14
Yakira Capital Management
Connecticut
$1.78M 120,756 +66,638 +123%
Northern Trust
15
Northern Trust
Illinois
$1.74M 117,548 +639 +0.5%
Bank of New York Mellon
16
Bank of New York Mellon
New York
$1.4M 94,895 -5,302 -5%
Susquehanna International Group
17
Susquehanna International Group
Pennsylvania
$1.14M 77,397 -3,244 -4%
Morgan Stanley
18
Morgan Stanley
New York
$583K 39,442 -179,634 -82%
BCM
19
Bridgeway Capital Management
Texas
$505K 34,200 – –
Charles Schwab
20
Charles Schwab
California
$438K 29,628 – –
Two Sigma Investments
21
Two Sigma Investments
New York
$301K 20,401 -1,433 -7%
SO
22
STRS Ohio
Ohio
$280K 19,000 +15,700 +476%
Goldman Sachs
23
Goldman Sachs
New York
$214K 14,471 -20,726 -59%
Nuveen Asset Management
24
Nuveen Asset Management
Illinois
$203K 13,719 – –
RhumbLine Advisers
25
RhumbLine Advisers
Massachusetts
$200K 13,519 -432 -3%
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